2018 Audi S5 Coupe vs. 2021 BMW M4 Coupe

Two Coupes with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the model year, starting price, horsepower, and fuel economy. First of all, there is a notable difference in the starting price of the 2018 Audi S5 Coupe, which is $17,200 less than the base MSRP of the 2021 BMW M4 Coupe, which is three model years newer. And finally, the 2021 M4 Coupe has bigger and thirstier engine; the 2018 S5 Coupe gets 5 more mpg. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.